From 2013 to 2016, Chicago Public Schools purchased more than $250,600 worth of gift cards, most of which were meant for students and families. But CPS employees stole some of them, according to the inspector general’s office.

If an Illinois worker takes a pay cut during a recession, she knows the state isn’t going to take an even bigger chunk out of her paycheck. That’s because the state income tax rate stays the same. But if her home loses value, too, she could still see her property tax bill go up. Government...